三甲基苯基胺检测标准

铁矿石 锡含量的测定 邻苯二酚紫-溴化十六烷基三甲胺分光光度法

Blend of rubber antioxidant-N-( 1-methylheptyl)-N'-phenyl-p-phenylenediamine and polymerized 2,2,4-trimethyl-1，2-dihydroquinoline (8PPD/TMQ)

Methods for chemical analysis of iron，steel and alloy--The phenylfluorone-CTMAB direct photometric method for the determination of tin content

Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method

Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method

Methods for chemical analysis of indium—Part 2:Determination of tin content—Phenylfluorone-cetyltrimethyl ammonium bromide spectrophotometry

The methods for chemical analysis of zinc and zinc alloys--The determination of tin content--The phenylfluorone-cetyltrimethyla-mmonium bromide spectrophotometric method

Dysprosium and dysprosium oxide—Determination of tantalum content—Para-chloride—phenylfluorone-cetyl trimethyl ammonium bromide-ethanol spectrophotometric method

Method for chemical analysis of high pure indium—Determination of tin content—Benzfluorenone-cetyltrimethylammonium bromide spectrophotometric method

Electronic grade trimethylgallium

Electronic grade trimethylindium

Electronic grade trimethylaluminium

Diphenyl(2,4,6-trimethylbenzoyl)phosphine oxide

Bis(2,4,6-trimethylbenzoyl)phenylphosphine oxide

Trimethyl amine for industrial use

Tetryl (Trinitrophenylmethylnitramine)

Methyltrimethoxysilane for industrial use

Iodotrimethylsilane

m-Aminobenzotrifluoride